This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

This science experiment tests if dog saliva can really help heal wounds.

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

This science fair project idea investigates whether plants can survive being frozen.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Find out whether a longer airplane will fly farther or a wider paper airplane.

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

This project examines whether people's taste perception is influenced by what they see.

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

Find out whether packaged seeds actually do expire in this new science fair project idea.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!